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Thermoelastic study of nanolayered structures using time-resolved X-ray diffraction at high repetition rate

  • We investigate the thermoelastic response of a nanolayered sample composed of a metallic SrRuO3 electrode sandwiched between a ferroelectric Pb(Zr0.2Ti0.8)O-3 film with negative thermal expansion and a SrTiO3 substrate. SrRuO3 is rapidly heated by fs-laser pulses with 208 kHz repetition rate. Diffraction of X-ray pulses derived from a synchrotron measures the transient out-of-plane lattice constant c of all three materials simultaneously from 120 ps to 5 mu s with a relative accuracy up to Delta c/c = 10(-6). The in-plane propagation of sound is essential for understanding the delayed out-of-plane compression of Pb(Zr0.2Ti0.8)O-3.

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Author details:Hengameh A. Navirian, Daniel Schick, Peter Gaal, Wolfram LeitenbergerGND, Roman Shayduk, Matias BargheerORCiDGND
DOI:https://doi.org/10.1063/1.4861873
ISSN:0003-6951
ISSN:1077-3118
Title of parent work (English):Applied physics letters
Publisher:American Institute of Physics
Place of publishing:Melville
Publication type:Article
Language:English
Year of first publication:2014
Publication year:2014
Release date:2017/03/27
Volume:104
Issue:2
Number of pages:4
Funding institution:BMBF [05K2012-OXIDE]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer review:Referiert
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